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Instructions - Parts List
Air Regulators
Important Safety Instructions.
Read all warnings and instructions in this manual.
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Part No.
Description
234389 Air Regulator with gauge,
self relieving
234434 Air Regulator with gauge,
self relieving
234390 Mini Air Regulator with
gauge
234391 Air Regulator with
2 regulated outlets,
1 unregulated outlet
234392 Air Regulator with
3 regulated outlets
234393 Air Regulator 234391 with
gauge and shutoff valve,
1 regulated outlet,
1 unregulated outlet
234394 Air Regulator 234392 with
gauge and shutoff valve,
2 regulated outlets
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 USA
Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001
Inlet
Outlets
Handle
1/4 in.
1/4 in.
npt(m)
npt(f)
1/4 in.
1/4 in.
npt(m)
npt(f)
1/4 in.
1/4 in.
npt(f)
npt(f)
3/8 in.
1/4 in.
npt(f)
npt(f)
3/8 in.
1/4 in.
npt(f)
npt(f)
3/8 in.
1/4 in.
npt(m)
npt(f)
3/8 in.
1/4 in.
npt(m)
npt(f)
309924 rev.E
Maximum
Maximum CFM
Inlet
Pressure
psi (MPa, bar)
knob
160(1.1, 11)
knob
160(1.1, 11)
knob
160(1.1, 11)
tee
175(1.2, 12)
tee
175(1.2, 12)
tee
160(1.1, 11)
tee
160(1.1, 11)
at 50 psi (.34
MPa, 3.4 bar
22 CFM
35 CFM
22 CFM
at 100 psi (0.7
MPa, 7 bar
50 CFM
50 CFM
50 CFM
50 CFM
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Summary of Contents for Graco 234389
- Page 1 234394 Air Regulator 234392 with 3/8 in. 1/4 in. 160(1.1, 11) 50 CFM gauge and shutoff valve, npt(m) npt(f) 2 regulated outlets Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 USA Copyright 2003, Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Installation
Installation Use pipe compound or tape sparingly and only on male threads. Locate the regulator as close as possible to the equipment it serves. Before installing air line components, blow out the pipe line to remove debris. Be sure air to the regulator is Install a main air shutoff valve upstream from the air clean. - Page 3 Minimum Pipe Size Recommendations Compressor Main Air Line Length ft (m) Size in. (mm) 1-1/2 - 2 6 - 9 3/4 (19) Up to 200 (61) 3/4 (19) 3 - 5 12 - 20 Over 200 (61) 1 (25.4) Up to 100 (30.5) 3/4 (19) 5 - 10 20 - 40...
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Page 4: Pressure Adjustment
5. Inspect parts for wear or damage. Replace damaged parts. Push in the knob of Part No. 234389 and 234390 air regulators to lock their pressure setting. 6. Reassemble the regulator. Pressure Relief Procedure To avoid injury, relieve air and fluid pressure before checking, cleaning, or repairing the equipment. - Page 5 Parts Part No. 234393 (1 regulated, 1 unregulated outlet) and 234394 (2 regulated outlets) Part No. 234389 and 234434 100960 289149 234391 for 234393 289163 234392 for 234394 289162 for 234389 289165 118596 for 234434 289164 Part No. 234391 (2 regulated, 1 unregulated outlet)
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Page 6: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.